eli5 how has the planet not run out of oil?

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How can there be any oil left at this point? I cannot wrap my head around it — with all of the cars and airplanes, plus all of the plastic that’s also made from oil. How in the world isn’t it all gone by now?

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Anonymous 0 Comments

Because despite the fact that we’ve been burning through a lot of oil very quickly, there was a lot of oil there to start.

Oil is made over the course of hundreds of millions of years. So you had hundreds of millions of years worth of material compressing and transforming into the crude oil we see today.

The crazier part of the situation is that we have been able to meaningfully deplete oil supplies in under 200 years.

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